CVE-2026-8671
CVE-2026-8671 is a high-severity vulnerability in Avantra with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31438
- Weakness: CWE-532
- Affected product: Avantra
- Published:
- Last modified:
Description
Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure. This issue affects Avantra: before 25.3.0.
Frequently asked questions
- What is CVE-2026-8671?
- Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure. This issue affects Avantra: before 25.3.0.
- How severe is CVE-2026-8671?
- CVE-2026-8671 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
- Is CVE-2026-8671 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-8671?
- CVE-2026-8671 affects Avantra. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-8671?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-8671 have an EU (EUVD) identifier?
- Yes. CVE-2026-8671 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31438.
- When was CVE-2026-8671 published?
- CVE-2026-8671 was published on 2026-05-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:avantra:avantra:*:*:*:*:*:*:*:*
More vulnerabilities in Avantra
- CVE-2026-8670 — Critical (CVSS 9.6): Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session…
- CVE-2026-8673 — Medium (CVSS 5.9): Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing…
- CVE-2026-8672 — Medium (CVSS 5.1): Use of default password vulnerability in syslink software AG Avantra on Linux, Windows allows Try Common or Default…
Other CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities
- CVE-2022-36407 — Critical (CVSS 9.9): Insertion of Sensitive Information into Log File vulnerability in Hitachi Virtual Storage Platform, Hitachi Virtual…
- CVE-2023-40029 — Critical (CVSS 9.9): Argo CD is a declarative continuous deployment for Kubernetes. Argo CD Cluster secrets might be managed declaratively…
- CVE-2021-32724 — Critical (CVSS 9.9): check-spelling is a github action which provides CI spell checking. In affected versions and for a repository with the…
- CVE-2026-49200 — Critical (CVSS 9.8): The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file…
- CVE-2026-22778 — Critical (CVSS 9.8): vLLM is an inference and serving engine for large language models (LLMs). From 0.8.3 to before 0.14.1, when an invalid…
- CVE-2025-11008 — Critical (CVSS 9.8): The CE21 Suite plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and…
Browse all CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities →